Though short sellers on average succeed at identifying overvalued equity, firms often signal disagreement with short sellers by repurchasing stock when short interest increases. We investigate whether this disagreement reflects a myopic defense of inflated prices, or positive private...

We study how the presence of short sellers affects the incentives of the insiders to trade on negative information. We show it induces insiders to sell more (shares from their existing stakes) and trade faster to preempt the potential competition from short sellers. An experiment and...

Recent theoretical work suggests that short sellers can manipulate firms into making suboptimal investment decisions. In this study, I empirically test whether short sellers improve or harm the efficiency of firms' capital investment. Overall, I show that short selling improves the efficiency of...

Informed investors have been shown to break up their larger trades into smaller trades in order to disguise their information. This study considers informed trading strategies when investors face borrowing constraints. Borrowing constraints may induce more intense trading and increase the use of...